CN111628351A - Charging connection structure and charging mechanism - Google Patents
Charging connection structure and charging mechanism Download PDFInfo
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- CN111628351A CN111628351A CN202010606063.7A CN202010606063A CN111628351A CN 111628351 A CN111628351 A CN 111628351A CN 202010606063 A CN202010606063 A CN 202010606063A CN 111628351 A CN111628351 A CN 111628351A
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- Prior art keywords
- charging
- connecting seat
- seat
- connection
- locking
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
- B60L53/14—Conductive energy transfer
- B60L53/16—Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/30—Constructional details of charging stations
- B60L53/35—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
- H01R13/631—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only
- H01R13/6315—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only allowing relative movement between coupling parts, e.g. floating connection
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R33/00—Coupling devices specially adapted for supporting apparatus and having one part acting as a holder providing support and electrical connection via a counterpart which is structurally associated with the apparatus, e.g. lamp holders; Separate parts thereof
- H01R33/97—Holders with separate means to prevent loosening of the coupling or unauthorised removal of apparatus held
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention relates to the technical field of automobile charging, in particular to a charging connection structure configured at an execution end of a mechanical lifting arm, which comprises a first connection seat and a second connection seat, wherein the first end of the first connection seat is configured as a charging end, the second end of the first connection seat is movably connected with the first end of the second connection seat and locked through a locking module, the second end of the second connection seat is configured at the execution end, and after the charging end is butted, the locking constraint of the first connection seat and the locking constraint of the second connection seat are released so that the first connection seat and the second connection seat are separated from each other. The charging connection structure provided by the invention can compensate the displacement of the vehicle chassis in the charging process, and avoids the damage of vehicle-mounted unit equipment and ground unit equipment caused by the displacement of the vehicle chassis.
Description
Technical Field
The invention relates to the technical field of automobile charging, in particular to a charging connection structure and a charging mechanism.
Background
The traditional way of charging an electric vehicle is as follows: in specific place of charging, the user holds the charging plug by hand, then inserts the charging plug into the mouth that charges of car, charges electric automobile then, and this kind of operating mode is not only loaded down with trivial details but also very easily causes the potential safety hazard.
At present, many companies are researching automatic charging schemes for electric vehicles, wherein the automatic charging schemes using six-degree-of-freedom robots are too expensive to manufacture and have no possibility of mass production temporarily, and some new schemes, such as automatic chassis charging, that is, charging from the bottom of a vehicle, have relatively simple structure and can be used in a wide range.
The automatic chassis charging mode is divided into: the vehicle-mounted end moves downwards to be in butt joint with the ground end, the vehicle-mounted end and the ground end move in opposite directions simultaneously to be in butt joint, and the ground end moves upwards to be in butt joint with the vehicle-mounted end. In the three automatic chassis charging modes, the charging mode that the ground end moves upwards to be butted with the vehicle-mounted end is mainly realized through a mechanical arm, specifically, a male end connector is installed on the mechanical arm of the ground unit, and then the female end connector of the vehicle-mounted unit is butted through lifting of the mechanical arm so as to charge, wherein the mechanical arm can be the mechanical arm disclosed by the invention of No. 201910578617.4 and named as 'a chassis mechanical arm starting abnormity detection processing method, system and device'.
However, the chassis charging method using the mechanical arm docking still has certain problems: in the charging process, the automobile chassis often has up-and-down displacement or front-and-back and left-and-right offset, and can drive the female end connector of the vehicle-mounted unit to move, while the male end connector is a mechanical arm lifting execution end fixed on the ground unit, and the movement of the female end connector can cause the damage of the vehicle-mounted unit or the ground unit equipment.
Disclosure of Invention
The invention provides a charging connection structure for solving the technical problem that ground unit equipment or vehicle-mounted unit equipment is easy to damage due to movement of an automobile in a charging process in the prior art, and the charging connection structure can compensate displacement of a vehicle chassis and avoid damage to the ground unit equipment and the vehicle-mounted unit equipment due to the displacement of the vehicle chassis.
The technical scheme of the invention is as follows:
a charging connection structure configured at an actuation end of a mechanical lift arm, comprising:
a first connector configured to have a first end configured as a charging end;
the first end of the second connecting seat is movably connected with the second end of the first connecting seat and locked by the locking module, the second end of the second connecting seat is arranged at the execution end, and after the charging end is butted, the locking constraint of the first connecting seat and the locking constraint of the second connecting seat are released so that the first connecting seat and the second connecting seat are separated from each other.
Furthermore, a second end of the first connecting seat is provided with a connecting port for connecting a second connecting seat, a locking groove or a locking protrusion is arranged in the connecting port, the first end of the second connecting seat is provided with a push-pull electromagnetic lock, a lock tongue of the push-pull electromagnetic lock is matched with the locking groove or the locking protrusion to lock the first connecting seat and the second connecting seat, and locking constraint is released when the push-pull electromagnetic lock is reset.
Furthermore, a switch module is further arranged at the first end of the second connecting seat, and the switch module is electrically connected with the controller of the locking module.
Furthermore, the push-pull electromagnetic locks are at least three and are uniformly distributed on the periphery of the first end of the second connecting seat, and the inner wall of the connecting port is provided with locking grooves or locking bulges corresponding to the three push-pull electromagnetic locks.
Furthermore, the second connecting seat is provided with an accommodating cavity, the push-pull electromagnetic lock is fixedly installed in the accommodating cavity, and a reset spring for providing reset force is sleeved on a lock tongue of the push-pull electromagnetic lock.
Further, the periphery of the first end of the second connecting seat is formed into a conical connecting surface, and the connecting port is provided with an inclined surface matched with the conical connecting surface.
Further, the lock tongue has an outer inclined surface matching the inclined surface.
Further, the second end of the second connecting seat is connected to the actuating end through a flexible assembly.
Further, the flexible assembly includes:
a first end of the spring piece is fixedly connected to a second end of the second connecting seat, a second end of the spring piece is fixedly connected to the flexible seat, and an elastic part is arranged between the first end and the second end of the spring piece;
the flexible seat comprises a seat body and a movable part, wherein the seat body is provided with a containing cavity, the movable part can freely move in the containing cavity, the periphery of the movable part is limited by a plurality of telescopic springs, the mounting surface of the movable part is fixedly connected with the second end of the spring piece, and meanwhile, a cover plate is arranged on the containing cavity.
In another aspect of the present invention, there is provided a charging mechanism including the charging connection structure as described in any one of the above;
further, the charging mechanism further includes:
the male end connector is fixed on the charging connection structure, a first end surface of the male end connector is provided with a plurality of male end electrode rings and a guide protrusion arranged in the middle, the guide protrusion comprises a straight section positioning part and a conical section positioning part, and a conical guide surface is formed on the conical section positioning part;
female end connector, female end connector is fixed at on-vehicle unit, female end connector's first terminal surface be equipped with a plurality ofly with public end electrode ring complex female end electrode ring and with the protruding relative direction opening of direction, during the butt joint protruding toper spigot of direction earlier with the direction opening contact is in order to just fix a position, straight section location portion gets into carry out the secondary location during the direction opening.
After the technical scheme is adopted, compared with the prior art, the invention has the following beneficial effects:
(1) according to the charging connection structure, before charging, the first connecting seat and the second connecting seat are in a locking state, and after a male end connector of a mechanical lifting arm execution end is in butt joint with a female end connector of a vehicle-mounted unit, locking constraint of the first connecting seat and the second connecting seat is released to enable the first connecting seat and the second connecting seat to be separated from each other;
(2) according to the invention, the switch module is arranged at the first end of the second connecting seat, the switch module is electrically connected with the controller of the push-pull electromagnetic lock, after charging is completed, the second connecting seat is lifted under the action of the mechanical lifting arm and is connected with the first connecting seat, and when the switch module is triggered to act, the electromagnetic lock is started to lock the first connecting seat and the second connecting seat, whether the first connecting seat and the second connecting seat are connected in place or not is determined by arranging the switch module, and the controller controls the spring bolt of the electromagnetic lock to pop out when the first connecting seat and the second connecting seat are connected in place, so that the first connecting seat and the second connecting seat are more conveniently and accurately locked;
(3) the periphery of the first end of the second connecting seat is formed into a conical connecting surface, the connecting port of the first connecting seat is provided with an inclined surface matched with the conical connecting surface, after charging is completed, the mechanical lifting arm drives the second connecting seat to be connected with the first connecting seat, the second connecting seat cannot be completely aligned with the first connecting seat due to displacement in the front-back and left-right directions of an automobile, certain front-back and left-right deviation exists, at the moment, the second connecting seat can be in advanced contact with the inclined surface of the first connecting seat through the conical connecting surface to conduct guiding positioning, and the situation that the second connecting seat cannot be connected due to plane contact with the first connecting seat is prevented;
(4) according to the invention, the second end of the second connecting seat is connected to the execution end of the mechanical lifting arm through the flexible assembly, after charging is completed, the mechanical lifting arm drives the flexible assembly and the second connecting seat to be lifted and connected with the first connecting seat, and when the conical connecting surface of the second connecting seat is contacted with the inclined surface of the first connecting seat, the mechanical lifting arm drives the flexible assembly and the second connecting seat to continue to move upwards;
(5) the flexible assembly comprises the spring piece, and the male end connector on the first connecting seat cannot be completely butted with the female end connector on the vehicle-mounted end due to certain unevenness of the vehicle chassis, so that the charging fault is caused;
(6) in the charging mechanism, the annular electrodes are arranged inside the male end connector and the female end connector, so that the current carrying capacity is greatly improved, in addition, the male end connector is provided with the guide protrusion, when the male end connector is in butt joint with the female end connector, the male end connector and the female end connector are prevented from being in butt joint through the conical guide surface of the guide protrusion and the guide through hole of the female end connector for primary positioning, meanwhile, the moving part and the expansion spring can compensate for displacement of the male end connector in the horizontal direction, and damage to the male end connector and the female end connector caused by the displacement can be avoided.
Drawings
Fig. 1 is a schematic cross-sectional view of a charging connection structure according to a first embodiment of the invention;
fig. 2 is a schematic structural diagram of a charging connection structure according to a first view angle in the first embodiment of the present invention;
fig. 3 is a schematic structural diagram of a second view of a charging connection structure according to a first embodiment of the invention;
fig. 4 is a schematic cross-sectional view of a charging connection structure and a male terminal connector according to a first embodiment of the invention;
fig. 5 is a schematic structural diagram of a male terminal connector of a charging mechanism according to a second embodiment of the present invention;
fig. 6 is a schematic structural diagram of a female terminal connector of a charging mechanism according to a second embodiment of the present invention.
Wherein the content of the first and second substances,
a first connecting seat 1, a charging terminal 11;
the second connecting seat 2 comprises a push-pull electromagnetic lock 21, a bolt 22, a switch module 23 and a return spring 24;
the flexible component 3, the spring plate 31, the flexible seat 32, the seat body 321, the movable piece 322, the telescopic spring 323 and the cover plate 324;
the male end connector 41, the male end electrode ring 411, the guide protrusion 412, the female end connector 42, the female end electrode ring 421, the guide through hole 422 and the contact finger 423;
mechanical lifting arm 5, and actuating end 51.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.
The first embodiment is as follows:
as shown in fig. 1 to 4, the charging connection structure of the present embodiment includes a first connection seat 1, a second connection seat 2 and a flexible assembly 3, wherein a first end of the first connection seat 1 is configured as a charging end 11, a second end of the first connection seat 1 and a first end of the second connection seat 2 are movably connected and locked by a locking module, a second end of the second connection seat 2 is connected to the flexible assembly 3, and the flexible assembly 3 is configured at an actuating end 51 of the mechanical lifting arm 5. Specifically, the first end of the first connection seat 1 is a charging end 11 and is used for fixedly connecting the male end connector 41, the second end of the first connection seat 1 is provided with a connection port, a locking protrusion is formed on the edge of the inner wall of the connection port, the first end of the second connection seat 2 is provided with a locking module, the locking module of the embodiment adopts a push-pull electromagnetic lock 21, the second end of the second connection seat 2 is connected to a flexible seat 32 in the flexible assembly 3, and the flexible seat 32 is fixedly connected to an execution end 51 of the mechanical lifting arm 5 of the ground unit.
Before charging, the first connecting seat 1 and the second connecting seat 2 are in a locking state, when charging is needed, the mechanical lifting arm 5 drives the second connecting seat 2 and the first connecting seat 1 to simultaneously lift so that the male end connector 41 is in butt joint with the female end connector of the vehicle-mounted unit, when the butt joint is completed, the controller controls the push-pull electromagnetic lock 21 to reset, namely the bolt 22 retracts, locking constraint of the first connecting seat 1 and the second connecting seat 2 is released, and the mechanical lifting arm 5 can drive the second connecting seat 2 to be separated from the first connecting seat 1; after the charging is finished, the mechanical lifting arm 5 drives the second connecting seat 2 to be connected with the first connecting seat 1, after the connection is finished, the controller controls the lock tongue 22 of the push-pull electromagnetic lock 21 to pop out, and the first connecting seat 1 and the second connecting seat 2 can be locked through the locking protrusion of the connecting port.
It can be known from the above, this embodiment realizes breaking away from of first connecting seat 1 and second connecting seat 2 through setting up push-and-pull electromagnetic lock 21, machinery lifts arm 5 and drives second connecting seat 2 and break away from the back with first connecting seat 1, the distance that sets up second connecting seat 2 and break away from first connecting seat 1 is greater than the displacement that the car removed the production, no matter the car promptly can not touch second connecting seat 2 for the displacement or all around, avoid leading to the damage of on-vehicle unit and/or ground unit equipment because the displacement of car, the locking module here of course also can adopt motor lock or electric mortiser lock etc..
Further, in the embodiment, the first end of the second connecting seat 2 is further provided with a switch module 23, the switch module 23 is a contact switch, the contact switch is electrically connected with the controller of the push-pull electromagnetic lock 21, after the charging is completed, the mechanical lifting arm 5 drives the second connecting seat 2 to be connected with the first connecting seat 1, when the contact switch of the second connecting seat 2 touches the first connecting seat 1 and acts, the controller of the push-pull electromagnetic lock 21 controls the bolt 22 of the electromagnetic lock to pop out so as to lock the first connecting seat 1 and the second connecting seat 2, the mechanical lifting arm 5 can drive the first connecting seat 1 and the second connecting seat 2 to be separated from the vehicle-mounted unit together, in the embodiment, whether the first connecting seat 1 and the second connecting seat 2 are connected in place or not is determined by setting the contact switch, the controller controls the bolt 22 of the electromagnetic lock to pop out when the first connecting seat 1 and the second connecting seat 2 are connected in place, so that the locking of the first connecting seat 1, of course, the contact switch can be replaced by a microswitch or a proximity switch.
Further, the first end periphery of the second connecting seat 2 of this embodiment forms into the toper and connects the face, the connector of first connecting seat 1 has the inclined plane of being connected the face and matcing with this toper, after the completion of charging, machinery is lifted arm 5 and is driven second connecting seat 2 and is connected with first connecting seat 1, because the car can produce the displacement of all around left right direction, second connecting seat 2 can not aim at first connecting seat 1 completely, there is certain deviation all around, second connecting seat 2 alright connect face and first connecting seat 1's inclined plane through the toper and contact in advance this moment, guide orientation carries out, if do not set up assorted toper and connect face and inclined plane, second connecting seat 2 is probably unable and first connecting seat 1 is connected in place so.
Further, the flexible seat 32 of this embodiment includes a seat body 321 and a moving member 322, the seat body 321 has a cavity for accommodating the moving member 322, the moving member 322 is movable in the cavity, and the periphery of the moving member 322 is limited by four uniformly distributed expansion springs 323, the mounting surface of the moving member 322 is connected to the second connecting seat 2 through the spring piece 31, a cover plate 324 is disposed on the cavity, the seat body 321 is fixedly connected to the actuating end 51 of the mechanical lifting arm 5, after the tapered connecting surface of the second connecting seat 2 contacts the inclined surface of the first connecting seat 1, the mechanical lifting arm 5 drives the seat body 321 and the second connecting seat 2 to continue moving upward, in this process, the second connecting seat 2 moves in the front-back and left-right directions, at this time, the moving member 322 and the expansion spring 323 in the flexible seat 32 can compensate for the displacement, thereby preventing the non-upward butting, and simultaneously preventing the mechanical lifting.
Further, the first end of the spring plate 31 of the present embodiment is fixedly connected to the second end of the second connecting seat 2, the second end of the spring plate 31 is fixedly connected to the moving part 322 of the flexible seat 32, an elastic part is disposed between the first end and the second end of the spring plate 31, because the chassis of the vehicle has a certain inclination, the female end connector fixed to the vehicle-mounted unit also has a certain inclination, and the second connecting seat 2, the first connecting seat 1 and the male end connector 41 of the actuating end 51 of the mechanical lifting arm 5 are all in a horizontal state, at this time, the male end connector 41 and the female end connector of the vehicle-mounted unit cannot be completely butted, while the spring plate 31 of the present embodiment can compensate for the unevenness of the chassis of the vehicle, when the male end connector 41 and the female end connector are butted, the second connecting seat 2, the first connecting seat 1 and the male end connector 41 all generate an inclination angle corresponding, therefore, the male end connector 41 and the female end connector are completely butted, the charging fault is avoided, and meanwhile, the mechanical lifting arm 5 cannot be damaged.
Preferably, the spring bolt 22 of this embodiment also has the outer inclined plane with the inclined plane assorted of above-mentioned first connecting seat 1, if the one end that spring bolt 22 kept away from the electromagnetic lock does not set up to assorted inclined plane, then when spring bolt 22 stretches out, need stretch out longer distance and can realize the locking, electromagnetic lock just needs corresponding extension like this, and this embodiment sets up outer inclined plane on spring bolt 22, has reduced electromagnetic lock's size, practices thrift certain cost.
Preferably, be equipped with on the second connecting seat 2 of this embodiment and hold the chamber, hold intracavity fixed mounting push-and-pull electromagnetic lock 21, the cover is equipped with reset spring 24 that provides the restoring force on the spring bolt 22 of push-and-pull electromagnetic lock 21, and reset spring 24 can assist the retraction of spring bolt 22, plays the cushioning effect when spring bolt 22 is flexible simultaneously.
Preferably, this implementation's push-and-pull electromagnetic lock 21 is three and evenly arranges upwards in the periphery of the first end of second connecting seat 2, the protruding cooperation of locking on three push-and-pull electromagnetic lock 21 and the second connecting seat 2, the cooperation of three electromagnetic lock makes the locking of first connecting seat 1 and second connecting seat 2 more stable, here can set up three and push-and-pull electromagnetic lock 21 complex locking groove at the connector inner wall and replace above-mentioned locking arch, of course also can adopt four or more push-and-pull electromagnetic locks 21, evenly arrange upwards in the periphery of the first end of second connecting seat 2.
In conclusion, the charging connection structure provided by the embodiment can compensate the displacement of the vehicle chassis in the charging process, so that the damage of the ground unit equipment and the vehicle-mounted unit equipment caused by the displacement of the vehicle chassis is avoided.
Example two:
the present embodiment provides a charging mechanism, the charging mechanism of the present embodiment includes the charging connection structure of the first embodiment, and further includes a male end connector 41 fixed on the charging connection structure and a female end connector 42 fixed on the vehicle-mounted unit, as shown in fig. 5 to 6, a first end surface of the male end connector 41 is provided with a plurality of male end electrode rings 411 and a guide protrusion 412 disposed in the middle, the guide protrusion 412 includes a straight section positioning portion and a conical section positioning portion, and a conical guide surface is formed on the conical section positioning portion; the first terminal surface of female end connector 42 is equipped with a plurality of female end electrode rings 421 with public end electrode ring 411 complex and with the relative direction opening 422 of direction protrusion 412, still be equipped with on the female end electrode ring 421 and touch and indicate 423 for be connected electrically with public end electrode ring 411, when public end connector 41 is makeed up through mechanical lifting arm 5 and female end connector 42 looks for the butt joint, have the position deviation of certain horizontal direction, make public end connector 41 and female end connector 42 unable butt joint, in this embodiment, public end connector 41 contacts with direction opening 422 with the primary location earlier through the toper spigot surface of direction protrusion 412, carry out the secondary location when straight section location portion gets into direction opening 422, in primary location to the secondary location in-process, compensate the displacement that public end connector 41 produced in the horizontal direction by moving part 322 and expanding spring 323 cooperation.
It should be noted that, in the present embodiment, a part of the length of the power connection line of the male terminal connector 41 needs to be reserved for compensating for the vertical displacement generated after the second connector holder 2 and the first connector holder 1 are separated.
In the charging mechanism of this embodiment, the inside ring electrode that all is equipped with of male end connector 41 and female end connector 42 for current-carrying capacity promotes greatly, in addition, be equipped with the direction arch 412 on the male end connector 41 of this embodiment, when docking with female end connector 42, the toper spigot surface through the direction arch 412 and the direction opening 422 of female end connector carry out the primary importance, prevent that male end connector 41 and female end connector 42 from not docking, moving part 322 and expanding spring 323 can compensate the displacement that male end connector 41 produced on the horizontal direction simultaneously, can avoid this displacement to lead to the damage of male end connector 41 and female end connector 42.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (11)
1. A charging connection configured at an actuation end (51) of a mechanical lift arm (5), comprising:
a first connection socket (1), a first end of the first connection socket (1) being configured as a charging end (11);
the first end of the second connecting seat (2) is movably connected with the second end of the first connecting seat (1) and locked through a locking module, the second end of the second connecting seat (2) is configured at the execution end (51), and after the charging end (11) is butted, the locking constraint of the first connecting seat (1) and the locking constraint of the second connecting seat (2) are released to enable the first connecting seat and the second connecting seat to be mutually separated.
2. The charging connection structure of claim 1, wherein the second end of the first connection seat (1) is provided with a connection port for connecting the second connection seat (2), the connection port is internally provided with a locking groove or a locking protrusion, the first end of the second connection seat (2) is provided with a push-pull electromagnetic lock (21), a lock tongue (22) of the push-pull electromagnetic lock (21) is matched with the locking groove or the locking protrusion to lock the first connection seat (1) and the second connection seat (2), and the locking constraint is released when the push-pull electromagnetic lock (21) is reset.
3. The charging connection structure of claim 1, wherein a switch module (23) is further disposed at the first end of the second connection seat (2), and the switch module (23) is electrically connected to the controller of the locking module.
4. The charging connection structure according to claim 2, wherein the number of the electromagnetic push-pull locks (21) is at least three and is uniformly distributed on the periphery of the first end of the second connection seat (2), and the inner wall of the connection port is provided with locking grooves or locking protrusions corresponding to the three electromagnetic push-pull locks (21).
5. A charging connection structure as claimed in claim 4, wherein a containing cavity is formed in the second connection seat (2), the push-pull electromagnetic lock (21) is fixedly installed in the containing cavity, and a return spring (24) for providing a return force is sleeved on a lock tongue (22) of the push-pull electromagnetic lock (21).
6. A charging connection structure according to claim 2, wherein the first end periphery of the second connection holder (2) is formed into a tapered connection face, and the connection face has a slope matching the tapered connection face.
7. A charging connection according to claim 6, characterized in that the locking tongue (22) has an outer bevel matching the bevel.
8. A charging connection structure according to claim 1, characterized in that the second end of the second connection holder (2) is connected to the actuating end (51) by a flexible member (3).
9. A charging connection structure according to claim 8, characterized in that said flexible member (3) comprises:
a spring piece (31), wherein a first end of the spring piece (31) is fixedly connected to a second end of the second connecting seat (2), a second end of the spring piece (31) is fixedly connected to a flexible seat (32), and an elastic part is arranged between the first end and the second end of the spring piece (31);
the flexible seat (32) comprises a seat body (321) and a movable piece (322), wherein the seat body (321) is provided with a containing cavity, the movable piece (322) can freely move in the containing cavity, the periphery of the movable piece is limited by a plurality of telescopic springs (323), the mounting surface of the movable piece (322) is fixedly connected with the second end of the spring piece (31), and meanwhile, a cover plate (324) is arranged on the containing cavity.
10. A charging mechanism comprising the charging connection structure according to any one of claims 1 to 9.
11. A charging mechanism as claimed in claim 10, further comprising:
the male end connector (41), the male end connector (41) is fixed on the charging connection structure, a plurality of male end electrode rings (411) and a guide protrusion (412) arranged in the middle are arranged on a first end surface of the male end connector (41), the guide protrusion (412) comprises a straight section positioning part and a conical section positioning part, and a conical guide surface is formed on the conical section positioning part;
female end connector (42), female end connector (42) are fixed at on-vehicle unit, the first terminal surface of female end connector (42) be equipped with a plurality ofly with public end electrode ring (411) complex female end electrode ring (421) and with direction protruding (412) relative direction opening (422), during the butt joint the toper spigot surface of direction protruding (412) earlier with direction opening (422) contact is with the primary importance, up to straight section location portion gets into carry out the secondary location during direction opening (422).
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| CN202010606063.7A CN111628351B (en) | 2020-06-29 | 2020-06-29 | Charging connection structure and charging mechanism |
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| CN202010606063.7A CN111628351B (en) | 2020-06-29 | 2020-06-29 | Charging connection structure and charging mechanism |
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| WO2021084001A1 (en) * | 2019-10-30 | 2021-05-06 | Hirschmann Automotive Gmbh | Flexible mounting for a plug head of a device for charging an electric vehicle |
| CN112838408A (en) * | 2020-12-28 | 2021-05-25 | 国创新能源汽车智慧能源装备创新中心(江苏)有限公司 | Connecting module and charging connecting device |
| CN113060024A (en) * | 2021-04-12 | 2021-07-02 | 南京信息职业技术学院 | Charging port device for new energy automobile |
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| CN114374121A (en) * | 2021-12-20 | 2022-04-19 | 中国煤炭科工集团太原研究院有限公司 | Plugging device and method for explosion-proof cable connector |
| WO2024078687A1 (en) * | 2022-10-10 | 2024-04-18 | Schunk Transit Systems Gmbh | Charging system and method |
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| CN114374121A (en) * | 2021-12-20 | 2022-04-19 | 中国煤炭科工集团太原研究院有限公司 | Plugging device and method for explosion-proof cable connector |
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